Stone Type
Gemstones are, generally, classified according to several factors: hardness, colour, lustre, crystal and chemical composition, and other physical properties. The classification system became the basis in categorising gemstones, although the characteristics of some stones are not limited to the mentioned factors. Further, there are variety of gemstones—precious and semiprecious—that are sold in the market and some, if not all, even have their synthetic versions. One key characteristic of gemstones is its rarity, thus the price is quite high, and the emergence of synthetic variations would somehow offer a much lower price for a certain stone.
Ruby and Diamond Engagement Ring
Meanwhile, some of the most common gemstone used as jewellery are pearl, sapphire, diamond, topaz, and ruby and some jewellery sets are adorned with different types of gemstones to create a more exquisite appearance. Diamond is referred to as the hardest natural material and polished diamond is sold in great value. On the other hand, cubic zirconium gemstones, which are widely synthesised, is a mineral utilised as a diamond stimulant. Further, pearls are, often, the picture of simplicity and elegance. Produced within the soft tissue of a living shelled mollusc, finest pearls are also of high value, thus considered a gemstone and other than the round shape; pearls also come in variety of forms and shape. Moreover, gemstones as topaz and ruby are usually adorned in rings or other jewellery pieces due to their stunning colours.
Celtic Sapphire Engagement Ring
Lastly, the stone types along with several factors would determine the value of gemstones, in such a way that polished diamonds are more expensive and valuable than the unpolished ones.